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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/views/examples/multiline_example.h" | 5 #include "ui/views/examples/multiline_example.h" |
6 | 6 |
7 #include "base/strings/utf_string_conversions.h" | 7 #include "base/strings/utf_string_conversions.h" |
8 #include "ui/events/event.h" | 8 #include "ui/events/event.h" |
9 #include "ui/gfx/render_text.h" | 9 #include "ui/gfx/render_text.h" |
10 #include "ui/views/background.h" | 10 #include "ui/views/background.h" |
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28 return range; | 28 return range; |
29 } | 29 } |
30 | 30 |
31 // A Label with a clamped preferred width to demonstrate wrapping. | 31 // A Label with a clamped preferred width to demonstrate wrapping. |
32 class PreferredSizeLabel : public Label { | 32 class PreferredSizeLabel : public Label { |
33 public: | 33 public: |
34 PreferredSizeLabel() : Label() {} | 34 PreferredSizeLabel() : Label() {} |
35 virtual ~PreferredSizeLabel() {} | 35 virtual ~PreferredSizeLabel() {} |
36 | 36 |
37 // Label: | 37 // Label: |
38 virtual gfx::Size GetPreferredSize() const OVERRIDE { | 38 virtual gfx::Size GetPreferredSize() const override { |
39 return gfx::Size(50, Label::GetPreferredSize().height()); | 39 return gfx::Size(50, Label::GetPreferredSize().height()); |
40 } | 40 } |
41 | 41 |
42 private: | 42 private: |
43 DISALLOW_COPY_AND_ASSIGN(PreferredSizeLabel); | 43 DISALLOW_COPY_AND_ASSIGN(PreferredSizeLabel); |
44 }; | 44 }; |
45 | 45 |
46 } // namespace | 46 } // namespace |
47 | 47 |
48 // A simple View that hosts a RenderText object. | 48 // A simple View that hosts a RenderText object. |
49 class MultilineExample::RenderTextView : public View { | 49 class MultilineExample::RenderTextView : public View { |
50 public: | 50 public: |
51 RenderTextView() : render_text_(gfx::RenderText::CreateInstance()) { | 51 RenderTextView() : render_text_(gfx::RenderText::CreateInstance()) { |
52 render_text_->SetHorizontalAlignment(gfx::ALIGN_CENTER); | 52 render_text_->SetHorizontalAlignment(gfx::ALIGN_CENTER); |
53 render_text_->SetColor(SK_ColorBLACK); | 53 render_text_->SetColor(SK_ColorBLACK); |
54 render_text_->SetMultiline(true); | 54 render_text_->SetMultiline(true); |
55 SetBorder(Border::CreateSolidBorder(2, SK_ColorGRAY)); | 55 SetBorder(Border::CreateSolidBorder(2, SK_ColorGRAY)); |
56 } | 56 } |
57 | 57 |
58 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE { | 58 virtual void OnPaint(gfx::Canvas* canvas) override { |
59 View::OnPaint(canvas); | 59 View::OnPaint(canvas); |
60 render_text_->Draw(canvas); | 60 render_text_->Draw(canvas); |
61 } | 61 } |
62 | 62 |
63 virtual gfx::Size GetPreferredSize() const OVERRIDE { | 63 virtual gfx::Size GetPreferredSize() const override { |
64 // Turn off multiline mode to get the single-line text size, which is the | 64 // Turn off multiline mode to get the single-line text size, which is the |
65 // preferred size for this view. | 65 // preferred size for this view. |
66 render_text_->SetMultiline(false); | 66 render_text_->SetMultiline(false); |
67 gfx::Size size(render_text_->GetContentWidth(), | 67 gfx::Size size(render_text_->GetContentWidth(), |
68 render_text_->GetStringSize().height()); | 68 render_text_->GetStringSize().height()); |
69 size.Enlarge(GetInsets().width(), GetInsets().height()); | 69 size.Enlarge(GetInsets().width(), GetInsets().height()); |
70 render_text_->SetMultiline(true); | 70 render_text_->SetMultiline(true); |
71 return size; | 71 return size; |
72 } | 72 } |
73 | 73 |
74 virtual int GetHeightForWidth(int w) const OVERRIDE { | 74 virtual int GetHeightForWidth(int w) const override { |
75 // TODO(ckocagil): Why does this happen? | 75 // TODO(ckocagil): Why does this happen? |
76 if (w == 0) | 76 if (w == 0) |
77 return View::GetHeightForWidth(w); | 77 return View::GetHeightForWidth(w); |
78 const gfx::Rect old_rect = render_text_->display_rect(); | 78 const gfx::Rect old_rect = render_text_->display_rect(); |
79 gfx::Rect rect = old_rect; | 79 gfx::Rect rect = old_rect; |
80 rect.set_width(w - GetInsets().width()); | 80 rect.set_width(w - GetInsets().width()); |
81 render_text_->SetDisplayRect(rect); | 81 render_text_->SetDisplayRect(rect); |
82 int height = render_text_->GetStringSize().height() + GetInsets().height(); | 82 int height = render_text_->GetStringSize().height() + GetInsets().height(); |
83 render_text_->SetDisplayRect(old_rect); | 83 render_text_->SetDisplayRect(old_rect); |
84 return height; | 84 return height; |
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97 render_text_->SetStyle(gfx::DIAGONAL_STRIKE, false); | 97 render_text_->SetStyle(gfx::DIAGONAL_STRIKE, false); |
98 render_text_->ApplyStyle(gfx::DIAGONAL_STRIKE, true, color_range); | 98 render_text_->ApplyStyle(gfx::DIAGONAL_STRIKE, true, color_range); |
99 render_text_->SetStyle(gfx::UNDERLINE, false); | 99 render_text_->SetStyle(gfx::UNDERLINE, false); |
100 render_text_->ApplyStyle(gfx::UNDERLINE, true, color_range); | 100 render_text_->ApplyStyle(gfx::UNDERLINE, true, color_range); |
101 render_text_->ApplyStyle(gfx::BOLD, true, bold_range); | 101 render_text_->ApplyStyle(gfx::BOLD, true, bold_range); |
102 render_text_->ApplyStyle(gfx::ITALIC, true, italic_range); | 102 render_text_->ApplyStyle(gfx::ITALIC, true, italic_range); |
103 InvalidateLayout(); | 103 InvalidateLayout(); |
104 } | 104 } |
105 | 105 |
106 private: | 106 private: |
107 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE { | 107 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) override { |
108 gfx::Rect bounds = GetLocalBounds(); | 108 gfx::Rect bounds = GetLocalBounds(); |
109 bounds.Inset(GetInsets()); | 109 bounds.Inset(GetInsets()); |
110 render_text_->SetDisplayRect(bounds); | 110 render_text_->SetDisplayRect(bounds); |
111 } | 111 } |
112 | 112 |
113 scoped_ptr<gfx::RenderText> render_text_; | 113 scoped_ptr<gfx::RenderText> render_text_; |
114 | 114 |
115 DISALLOW_COPY_AND_ASSIGN(RenderTextView); | 115 DISALLOW_COPY_AND_ASSIGN(RenderTextView); |
116 }; | 116 }; |
117 | 117 |
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182 void MultilineExample::ButtonPressed(Button* sender, const ui::Event& event) { | 182 void MultilineExample::ButtonPressed(Button* sender, const ui::Event& event) { |
183 DCHECK_EQ(sender, label_checkbox_); | 183 DCHECK_EQ(sender, label_checkbox_); |
184 label_->SetText(label_checkbox_->checked() ? textfield_->text() : | 184 label_->SetText(label_checkbox_->checked() ? textfield_->text() : |
185 base::string16()); | 185 base::string16()); |
186 container()->Layout(); | 186 container()->Layout(); |
187 container()->SchedulePaint(); | 187 container()->SchedulePaint(); |
188 } | 188 } |
189 | 189 |
190 } // namespace examples | 190 } // namespace examples |
191 } // namespace views | 191 } // namespace views |
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